public static DataTable DeserializeDataTable(BinaryTypesReader br)
{
DataTable table = new DataTable();
table.TableName = br.ReadString();
int columnCount = br.Read7BitInt();
Type[] columnTypes = new Type[columnCount];
for (int i = 0; i < columnCount; i++)
{
string columnName = br.ReadString();
string typeName = br.ReadString();
Type columnType = Type.GetType(typeName);
DataColumn col = new DataColumn(columnName, columnType);
table.Columns.Add(col);
columnTypes[i] = columnType;
}
int rowsCount = br.Read7BitInt();
for (int rowIndex = 0; rowIndex < rowsCount; rowIndex++)
{
DataRow row = table.NewRow();
table.Rows.Add(row);
for (int i = 0; i < columnCount; i++)
{
if (columnTypes[i] == typeof(System.String))
{
row[i] = br.ReadString();
}
else if (columnTypes[i] == typeof(System.Int32))
{
row[i] = br.Read7BitInt();
}
else if (columnTypes[i] == typeof(System.Int64))
{
row[i] = br.Read7BitLong();
}
else if (columnTypes[i] == typeof(System.Decimal))
{
row[i] = br.ReadCompactDecimal();
}
else if (columnTypes[i] == typeof(System.DateTime))
{
row[i] = br.ReadCompactDateTime(TimeSpan.TicksPerMillisecond * 100);
}
else if (columnTypes[i] == typeof(bool))
{
row[i] = br.ReadBoolean();
}
}
}
return(table);
}
///////////////////////////////////////////////////////////////////////
public static long ReadLong(BinaryTypesReader br, object objParam)
{
return(br.Read7BitLong());
}
///////////////////////////////////////////////////////////////////////
// Uses reflection - relatively slow!!!
public static T ReadEnum <T>(BinaryTypesReader br, object objParam) where T : IConvertible
{
long val = br.Read7BitLong();
return((T)Enum.ToObject(typeof(T), val));
}
private static object DeserializeObject(BinaryTypesReader br, Type type)
{
if (type.IsPrimitive)
{
switch (type.FullName)
{
case SystemTypeDefs.FullNameBoolean:
case SystemTypeDefs.FullNameByte:
case SystemTypeDefs.FullNameSByte:
case SystemTypeDefs.FullNameInt16:
case SystemTypeDefs.FullNameUInt16:
case SystemTypeDefs.FullNameInt32:
case SystemTypeDefs.FullNameUInt32:
case SystemTypeDefs.FullNameInt64:
case SystemTypeDefs.FullNameUInt64:
case SystemTypeDefs.FullNameChar:
{
var val = br.Read7BitLong();
return(Convert.ChangeType(val, type));
}
case SystemTypeDefs.FullNameSingle: // todo: compact
return(br.ReadSingle());
case SystemTypeDefs.FullNameDouble: // todo: compact
return(br.ReadDouble());
}
}
if (type.FullName == typeof(decimal).FullName)
{
return(br.ReadCompactDecimal());
}
if (type.IsEnum)
{
int val = (int)br.Read7BitLong();
return(Enum.ToObject(type, val));
}
if (type.IsValueType)
{
switch (type.FullName)
{
case SystemTypeDefs.FullNameDateTime:
return(new DateTime(br.Read7BitLong()));
}
}
if (type.IsClass)
{
switch (type.FullName)
{
case SystemTypeDefs.FullNameString:
return(br.ReadString());
default:
return(DeserializeClass(br, type));
}
}
return(null);
}
